package com.zakl.netty.fifthexample;

import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.codec.http.websocketx.TextWebSocketFrame;

import java.time.LocalDateTime;

/**
 * @program: netty_lecture
 * @description:
 * @author: ZakL
 * @create: 2019-03-31 15:31
 **/
public class TextWebSocketFrameHandler extends SimpleChannelInboundHandler<TextWebSocketFrame> {
    @Override
    protected void channelRead0(ChannelHandlerContext ctx, TextWebSocketFrame msg) throws Exception {
        System.out.println("收到消息---》" + msg.text());
        ctx.channel().writeAndFlush(new TextWebSocketFrame("服务器时间"+LocalDateTime.now()) );
    }

    //连接建立
    @Override
    public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
        System.out.println("handlerAdded:" + ctx.channel().id().asLongText());
    }

    //连接关闭
    @Override
    public void handlerRemoved(ChannelHandlerContext ctx) throws Exception {
        System.out.println("handlerRemoved:" + ctx.channel().id().asLongText());
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        System.out.println("异常发生");
        cause.printStackTrace();
        ctx.close();
    }
}
